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RTC on STM32L053R8

Posted on March 06, 2017 at 05:49I tried to work with RTC (LSI) on STM32L0 but I got a problem. My desire is run a RTC like normal watch and get time at 2 point and find time between 2 point in milisecs but when I get time debugger always give me 0x...

Software Interrupt NVIC

Posted on February 27, 2017 at 19:51I can not find enough information about the definition of a software interrupt with NVIC. If the edge of an internal software bit is positive, an interrupt routine should be executedThanks#stm32f4

Resolved! What is the minimum clock speed if I use ADC with DMA?

Posted on March 03, 2017 at 20:18I use STM32L151 for digitizing 3 values: Vrefint, Temp.sensor and 1 external source. Program uses sleep mode.I get garbage after switching CPU freq from 250 kHz to 4 mHz and correct values when switching from 500 kHz...

Resolved! Is I2C on STM32L4x6xx usable?

Posted on March 04, 2017 at 10:53Hi,I am trying to understand the errata sheet for STM32L4x6xx series of MCU (DocID026121 Rev 4, December 2016).I2C peripheral limitations section lists one of the silicon bugs as�2.6.3 Wrong data sampling when data s...

handle I2C bus error

Posted on March 03, 2017 at 07:45I have a problem with the i2c peripherie of a STM32f407.If i get a bus error the i2c is always busy.I try to solve this with a I2C_SoftwareResetCmd(I2C1, ENABLE), this works but then i cant start a new communication....

HSI/MSI calibration

Posted on March 02, 2017 at 12:55Hello,I'm developing my application based on the STM32L475.One of my goals is power consumption so I will set the STM32 to Stop1 mode.I have to work with UART and I2C so, to work in Stop1 mode I need the HSI16 to be ...

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